Pope Benedict XVI Holds His Final General Audience Before His Retirement

The faithful fill St Peter's Square as Pope Benedict XVI attends his last public audience on February 27, 2013 in Vatican City, Vatican. (Photo by Peter Macdiarmid/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI travels through the crowd in the popemobile in St Peter's Square on February 27, 2013 in Vatican City, Vatican. (Photo by Carsten Koall/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI travels through the crowd in the popemobile in St Peter's Square on February 27, 2013 in Vatican City, Vatican. (Photo by Carsten Koall/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he arrives in St Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he arrives in St Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. . (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he leaves St Peter's Square at the end of his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

VATICAN CITY, VATICAN - FEBRUARY 27: Pope Benedict XVI waves to the faithful as he leaves St Peter's Square at the end of his final general audience on February 27, 2013 in Vatican City, Vatican. The Pontiff attended his last weekly public audience before stepping down tomorrow. Pope Benedict XVI has been the leader of the Catholic Church for eight years and is the first Pope to retire since 1415. He cites ailing health as his reason for retirement and will spend the rest of his life in solitude away from public engagements. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

A nun smiles as she attends Pope Benedict XVI's final general audience in St Peter's Square before his retirement on February 27, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI kisses a child as he arrives in St Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Members of the Swiss Guard patrol St Peter's Square before Pope Benedict XVI's final weekly public audience on February 27, 2013 in Vatican City, Vatican. (Photo by Oli Scarff/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Nuns attend Pope Benedict XVI's final general audience in St Peter's Square before his retirement on February 27, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he arrives in St. Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

A Brazillian monk waves a flag as he attends Pope Benedict XVI's final general audience in St Peter's Square before his retirement on February 27, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he arrives in St. Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful as he arrives in St. Peter's Square for his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI waves to the faithful gathered in St. Peter's Square during his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Pope Benedict XVI kisses a child lifted up by the Pontiff's personal secretary Georg Ganswein, as he leaves St. Peter's Square at the end of his final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

A pilgrim attends Pope Benedict XVI's final general audience in St Peter's Square before his retirement on February 27, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Archbishop of New York cardinal Timothy Dolan (C) greets his colleagues as he arrives in St. Peter's Square before the Pope Benedict XVI's final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Archbishop of New York cardinal Timothy Dolan (R) greets his colleagues as he arrives in St. Peter's Square before the Pope Benedict XVI's final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Archbishop of New York cardinal Timothy Dolan (R) greets an American boy as he leaves St. Peter's Square at the end of the Pope Benedict XVI's final general audience on February 27, 2013 in Vatican City, Vatican. (Photo by Franco Origlia/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement

Cardinals sit in St Peter's Square as Pope Benedict XVI delivers his final weekly public audience on February 27, 2013 in Vatican City, Vatican. (Photo by Oli Scarff/Getty Images)

VATICAN CITY, VATICAN - FEBRUARY 27: Cardinals sit in St Peter's Square as Pope Benedict XVI delivers his final weekly public audience on February 27, 2013 in Vatican City, Vatican. The Pontiff has attended his last weekly public audience before stepping down tomorrow. Pope Benedict XVI has been the leader of the Catholic Church for eight years and is the first Pope to retire since 1415. He cites ailing health as his reason for retirement and will spend the rest of his life in solitude away from public engagements. (Photo by Oli Scarff/Getty Images)

Pope Benedict XVI Holds His Final General Audience Before His Retirement